YOU SAID:

he spends most of his flights getting pulled down by gravity

INTO JAPANESE

彼はフライトのほとんどを重力に引っ張られて過ごす

BACK INTO ENGLISH

he spends most of the flight under the pull of gravity

INTO JAPANESE

彼は飛行のほとんどを重力の下で過ごす

BACK INTO ENGLISH

he spends most of his flight under gravity

INTO JAPANESE

彼は飛行のほとんどを重力の下で過ごす

BACK INTO ENGLISH

he spends most of his flight under gravity